48 |
|
double shadcert = .5; /* shadow certainty */ |
49 |
|
int directrelay = 0; /* number of source relays */ |
50 |
|
int vspretest = 512; /* virtual source pretest density */ |
51 |
+ |
int directinvis = 0; /* sources invisible? */ |
52 |
|
|
53 |
|
int maxdepth = 6; /* maximum recursion depth */ |
54 |
|
double minweight = 4e-3; /* minimum ray weight */ |
235 |
|
int fmt; |
236 |
|
FILE *fp; |
237 |
|
{ |
238 |
+ |
extern char *fgetword(); |
239 |
+ |
extern double atof(); |
240 |
|
static float vf[3]; |
241 |
+ |
char buf[32]; |
242 |
+ |
register int i; |
243 |
|
|
244 |
|
switch (fmt) { |
245 |
|
case 'a': /* ascii */ |
246 |
< |
if (fscanf(fp, "%lf %lf %lf", vec, vec+1, vec+2) != 3) |
247 |
< |
return(-1); |
246 |
> |
for (i = 0; i < 3; i++) { |
247 |
> |
if (fgetword(buf, sizeof(buf), fp) == NULL || |
248 |
> |
!isflt(buf)) |
249 |
> |
return(-1); |
250 |
> |
vec[i] = atof(buf); |
251 |
> |
} |
252 |
|
break; |
253 |
|
case 'f': /* binary float */ |
254 |
|
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |